Advertisements
Advertisements
Question
The latent heat of fusion of ice is :
Options
33.4 × 105 J/kg
22.5 × 105 J/kg
33.4 × 104 J/kg
22.5 × 104 J/kg
Solution
33.4 × 104J/kg
This value is fixed and is found by performing the experiment in lab.
APPEARS IN
RELATED QUESTIONS
The Kelvin temperature is 270 K. What is the corresponding Celsius scale temperature ?
What is the chemical name of dry ice ?
Fill in the following blank with suitable words :
Gases can be liquefied by applying ....................... and lowering .....................
Fill in the following blank with suitable words :
When steam condenses to form water, heat is .......................
Define 'boiling point' of a substance ? What is the boiling point of water ?
When water is heated to a temperature x, it gets converted into steam at temperature x by a process called R. And when steam at temperature x is cooled, it gets reconverted into water at the same temperature x by a process called S.
- How much is the value of x in Kelvin ?
- What is the process R called ?
- What is the name of the energy absorbed during the process R ?
- What is process S known as ?
- What is the name of energy released during the process S known as ?\\
Define: Brownian movement
There are large intermolecular gaps in
Fill in the blanks with the correct word/s from the bracket.
Ice on absorption of heat converts to ‘X’ a process called ____ [vaporization / melting]. ‘X’ changes to water vapour on ____ [heating / cooling]. Water vapour changes back to ‘X’ on ____ [freezing / condensation]. The constant temperature at which ice changes into ‘X’ is called its ____ [fusion point / melting point / boiling point].
Riya pours some water from her bottle into another bottle. Does it change the shape of the water?
